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Re: [Linux-cluster] I/O performance tests on GFS and GFS2 (cluster 2.01.00)



On Tue, 2007-12-11 at 17:10 +0000, Pedro Bandim Faustino wrote:
> Hi all,
> 
> I've conducted some I/O performance tests with IOzone on GFS and GFS2
> (among others for comparison).
> You can find them here:
> http://pedrofaustino.blogspot.com/2007/12/iozone-performance-tests-on-gfsnfsext3.html
> 
> If any of you has done such tests, please write me back if the
> results/performance are as expected.
> 
> Cheers,
> Pedro Bandim Faustino
> email/sip: pedro faustino fccn pt
> 
> FCCN - Fundação para a Computação Científica Nacional
> Av. do Brasil, n.º 101
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Excellent work Pedro! Thank You. I have been looking for just such a
comparison.

Couple of questions:
* What is the 'out-of-the-box record size' for GFS1?
* '                                      ' for NFSv3?

I'm assuming the {r,w}size=8192 we set NFS to is the record size?

Regards,
-C


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